Issue #3942: remove copy function from some action and set action.copy shows deprecate information
Merge branch 'develop-3.0' of https://github.com/cocos2d/cocos2d-html5 into Iss3943_ActionAPI
Merge branch 'develop-3.0' of https://github.com/cocos2d/cocos2d-html5 into Iss3943_ActionAPI
Issue #3943: use _this replace this for Google compiler in advance mode
Issue #3943: update cc.RepeatForEver's jsDoc
Merge branch 'develop' of https://github.com/cocos2d/cocos2d-html5 into Iss3943_ActionAPI

Conflicts:
	cocos2d/actions/CCActionCatmullRom.js
	cocos2d/actions/CCActionInstant.js
	cocos2d/actions/CCActionInterval.js
Issue #3943: refactoring cc.EaseAction for use friendly
Merge branch 'develop' of https://github.com/cocos2d/cocos2d-html5 into Iss3943_ActionAPI
Merge pull request #1837 from dingpinglv/Iss3943_ActionAPI

Issue #3943: refactoring cc.EaseAction for use friendly